Question

Completing method of root 2 X square + 7 x + 5 root 2 is equal to zero

Answer 1

Step-by-step explanation:

√2x^2 + 7x + 5√2 =

√2x^2 + 5x + 2x + 5√2 =

x ( √2x + 5) + √2 (√2x + 5) =

(x + √2) ( √2x + 5)

(x + √2) = 0 (√2x + 5) = 0

x = -√2 √2x = -5

x = -5/√2